package com.zy.reggie.config;

import com.zy.reggie.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.List;

@Slf4j
@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {

    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("静态资源已经配置");
        registry.addResourceHandler("/**").addResourceLocations("classpath:/static/");
        //registry.addResourceHandler("/**").addResourceLocations("classpath:/front/");

    }

    /**
     * 扩展mvc的消息转换器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //创建消息转换器
        MappingJackson2HttpMessageConverter messageConvertr = new MappingJackson2HttpMessageConverter();
        //设置对象转换器，底层使用Jackson将java对象转换为json
        messageConvertr.setObjectMapper(new JacksonObjectMapper());
        //将上面的对象转换器追加到消息转换器
        converters.add(0,messageConvertr);
    }
}
